Subject Matter Expert - CSD/Signaling

Nokia; Dadri, Bengaluru; Hybrid; INR 2,000,000 - 4,500,000; Full time

Job summary

Nokia is seeking an experienced professional to drive quality execution for Live Network Interventions. You will own LNI activities from planning to execution, with a focus on data sources, procedures, and scripts to ensure success on customer networks.

The role requires deep Mobile Core knowledge, 4G/5GSA experience, and a track record of delivering reliable telecom solutions. Strong scripting and automation skills and the ability to manage multiple projects in a fast-paced environment are

Qualifications

• Bachelors degree in CS or related field and 7+ years of experience in software/telecom solutions.
• Proven ability to define architectures and deliver market-ready solutions.
• Extensive telecoms experience (4G/5GSA) with Mobile Core network elements.

Responsibilities

• Own and be accountable for all aspects of the LNI activity.
• Review and approve LNI plans, data sources, procedures and scripts.
• Define KPIs to measure network impact and performance.
• Capture findings and contribute to lessons learned and best practices.
• Lead or join troubleshooting and supervision during maintenance windows.

Skills

Mobile Core expertise

Architecture definition

Telecommunications (4G/5GSA)

Scripting / automation

Communication skills

Education

Bachelor's degree in computer science or related field

Tools

Kubernetes

VMware/OpenStack

Aerospike

MariaDB

Oracle

SQL

Job description

Description Driving quality execution for our customers is critical for the long-term success of Nokia and customer satisfaction is the main measure of this objective. In this role, you will ensure the success of a Live Network Intervention by taking responsibility for the quality and accuracy of the LNI artifacts, procedures, scripts needed to execute the planned activities and supervise LNI execution.

Your responsibilities

• As a subject matter expert in the Delivery Assurance team, you will own and be accountable for all aspects of the LNI activity.
• You will accomplish this by leveraging your extensive Mobile Core expertise, best practices, and lessons learned. This role will require you to look across product domains and measure the impact and risks of LNI activities at a solution level.
• Review and approve LNI plans including data sources like CiQ, implementation procedures, scripts and other LNI artifacts prior to implementation on the customer network.
• Review and establish the Key Performance Indicators (KPI) that will be used to measure impacts to the network based on LNI work to be performed.
• Capture details of the review and as needed contribute findings to lessons learned and best practices.
• Execute (as needed ) & supervise the services delivery teams during the maintenance window and manage incidents during the activity.
• If needed, join/ lead troubleshooting group for specific Live Network intervention
• Contribute to Automation programs focused on LNI preparations and executions.
• Ensure high-quality project delivery by monitoring delivery KPIs, execution plans, and overall project performance.

Skills and experience

• Bachelors degree in computer science or a related field, with 7+ years of experience in architecting software, IT, or telecom solutions.
• Proven experience in defining architecture and delivering those solutions to the market.
• Extensive experience in telecommunications (4G/5GSA) with a deep understanding of Mobile Core network elements and technologies, their evolution, and the latest industry trends.
• Understanding of the interfaces and interactions between Mobile Core solution elements including 3rd parties.
• Hands-on experience in CSD/Signaling domain: SCP, SEPP, BSF, SLF, DRA, DEA, DFW, SLF and IWF.
• Competences on TCP/IP & main Protocols: Diameter (Gx-Rx-Sy)/ HTTP2/ SIP / Sigtran / SOAP-XML / SNMP.
• Competences in Java/J2EE, Linux, DBMS, web technologies, cloud/virtualization, Kubernetes, containers, SDN, and data analytics.
• Hands on experience of Unix/Linux OSs & Databases (Aerospike/MariaDB/Oracle/SQL)
• Advanced competence of NW Architectures/Products & International standards: 3GPP/ETSI.
• Hands on Cloud experience (VNF, CNF) & related products (CBIS/CBAM NCS/NCOM) or platform VMware/OpenStack.
• Ability to work independently, manage multiple projects simultaneously, and thrive in a fast-paced, dynamic work environment.
• Ability to develop scripts / automation using AI tools as needed and high degree of proficiency in Kubernetes
• Good Communication skills which shall enable appropriate articulation of Issues / risks and their mitigation